Home / 212,330.39-293,007.08-115,534.62

Finding the Fourth Proportional to 212,330.39, 293,007.08 and 115,534.62

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Solution

The fourth proportional to 212,330.39, 293,007.08 and 115,534.62 is: 159,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,330.39 : 293,007.08 = 115,534.62 : x
  2. Step 2: Convert to fraction form
    212,330.39/293,007.08 = 115,534.62/x
  3. Step 3: Cross multiply
    212,330.39x = 293,007.08 × 115,534.62
  4. Step 4: Simplify right side
    212,330.39x = 33,852,461,933.95
  5. Step 5: Solve for x
    x = 33,852,461,933.95/212,330.39
  6. Step 6: Final answer
    x = 159,432.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.